Home / 46,264.10-69,385.76-21,280.15

Finding the Fourth Proportional to 46,264.10, 69,385.76 and 21,280.15

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Solution

The fourth proportional to 46,264.10, 69,385.76 and 21,280.15 is: 31,915.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,264.10 : 69,385.76 = 21,280.15 : x
  2. Step 2: Convert to fraction form
    46,264.10/69,385.76 = 21,280.15/x
  3. Step 3: Cross multiply
    46,264.10x = 69,385.76 × 21,280.15
  4. Step 4: Simplify right side
    46,264.10x = 1,476,539,560.50
  5. Step 5: Solve for x
    x = 1,476,539,560.50/46,264.10
  6. Step 6: Final answer
    x = 31,915.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.